***PHYSICAL and CHEMICAL CHANGES***
WHAT IS THE DIFFERENCE?
PHYSICAL AND CHEMICAL CHANGES EXPERIMENTS
STATES OF MATTER____________________

ONLINE ACTIVITIES:

PROPERTIES OF MATERIALS

rigid--flexible
transparent--opaque
hard--soft
smooth--rough
heavy--light
**********MIXTURES***********

FORCES AND THEIR EFFECTS
A- non-contact forces
gravity
magnetism
B- Contact forces
friction
buoyancy